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need material reflective and transparent like glass but stronger?

need material reflective and transparent like glass but stronger?

Answer:

I was taught by a extinguisher serviceman how to service a relatively new extinguisher: 1. check for pressure on gage. 2. turn the extinguisher upside down and tap the bottom fairly hard with rubber mallet for about 30 seconds. This steps breaks up the powder that many have caked at the bottom. This is done once a year on commercial installations. The USCG says an annual inspection should Verify that 12 years has not lapsed from the manufacture date marked on the extinguisher. Some of the manufacturers write a manufacturing date code which is not obvious so I suggest you write the date purchased on the extinguisher itself.
°Your answers are appropriate, those are indeed functions of the operating system, however, it's primary purpose is to provide an interface to the user. Just append that into your list
Safety razors use high quality blades, irritate less and the reason they shave better is because the head of the razor is heavy. Disposable have terrible blades and no weight. If people like your other response are a germaphobe than they could splash the razor with alcohol after.

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